Treadmill with siderail



FIG. 1 is a perspective view of a treadmill with siderail showing our new design thereof;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a front elevational view thereof. 

The ornamental design for a treadmill with siderail, as shown and described. 